From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi1-x22b.google.com (mail-oi1-x22b.google.com [IPv6:2607:f8b0:4864:20::22b]) by sourceware.org (Postfix) with ESMTPS id 8CF623858C55 for ; Thu, 13 Oct 2022 12:30:42 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 8CF623858C55 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=linaro.org Received: by mail-oi1-x22b.google.com with SMTP id l5so1527030oif.7 for ; Thu, 13 Oct 2022 05:30:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:organization:from:references :cc:to:content-language:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=21UaZqrjmDYFhFhqywWBQnEQmvuVCj6zmhPyl3ikVco=; b=gTOMX/RZapKISDbJQVp3HhSi7YoEaYbQdzdMoMdlxNqpFCS420hfTrM8IbgdTb4xZN Z1xnsWrHPfdU/dShT9RWF2oedbu4dWh9lFOhdsAC+anfwPiL52jAw4Zs23BayH4lxzX/ WRw+bALJFNgRH1UDmd8TvQw154WVgJB8iJ/REqUk/KinFguOa8Q9XwEY3Jn6D7ke2U6Y 8azl0CMzWg8R0u2zueHRo91BPwOa7W90J7f7tgEIT+xk0XAgCu8A2vNKpas7newGV8QS IabqzJaGqjbHJhrLJVZUJ7Cj29K/MsmExsoy7g5JImHmSTRNHd9A3qpajBA9GTrOjh7e 2vHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:organization:from:references :cc:to:content-language:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=21UaZqrjmDYFhFhqywWBQnEQmvuVCj6zmhPyl3ikVco=; b=0lM2Bhp6B87vfTwD/4qqlBrU9GHyjLV5gnWm0fkSli1rx5cq48u921MmyNC4Qc6Ssp mbZfeKU1NqxEEZIzd9lITAgfJ2921D2wiXkhO7lCsfIyuUjGkk1KRXnmb4rtZOvvAqm5 aMgyX/kEcoqzd1YZm0IfsAPb0jWXMpoUySFpnt6GL07w+8mcWgxiKMEeL+fDddVD4DZc zEoWtMED5cb0OEPZV2DoiVjVslDL1MieaXdmV1lPPc238IozDipkoQ5Oat00SxdUFfnD Bla8dDepDg+pwatTQTpPMJjlg3V+85mp51CmrJK05STwb5NRAdhgbDC2n2vOnd16HU6y rAdg== X-Gm-Message-State: ACrzQf3dAUVE+u1JSoZ2DB1fxvDluSI5ZHxKtB4c2qI7S5WPkj/RNnuG NhQ0rLuWNF7YFAK7lnqJRpVkSLK9AD8e0WlN X-Google-Smtp-Source: AMsMyM6ChX2X3qoUhi66PBPdwiLW5B51FcBjwwH/Zw3nGHu5AyVYIHzJTvo2rxG/J1qlVJZ7imCbBw== X-Received: by 2002:a05:6808:1248:b0:354:2c04:c35b with SMTP id o8-20020a056808124800b003542c04c35bmr4215591oiv.143.1665664241457; Thu, 13 Oct 2022 05:30:41 -0700 (PDT) Received: from ?IPV6:2804:1b3:a7c3:35ed:dd3a:414a:aa36:1d3a? ([2804:1b3:a7c3:35ed:dd3a:414a:aa36:1d3a]) by smtp.gmail.com with ESMTPSA id eq37-20020a056870a92500b00127fbb7afffsm2509757oab.5.2022.10.13.05.30.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Oct 2022 05:30:41 -0700 (PDT) Message-ID: <84c7e095-239a-a504-ab7d-ef178051163c@linaro.org> Date: Thu, 13 Oct 2022 09:30:39 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.3.2 Subject: Re: [PATCH] aarch64: Use memcpy_simd as the default memcpy Content-Language: en-US To: Wilco Dijkstra , Andrew Pinski Cc: GNU C Library References: From: Adhemerval Zanella Netto Organization: Linaro In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-6.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 13/10/22 09:28, Wilco Dijkstra via Libc-alpha wrote: > Hi Andrew, > >> This changes how neoverse-n2 is handled, is that expected? >> That is neoverse-n2 was returning __memcpy_simd before and now will be >> returning __memcpy_sve as n2 has SVE. > > Yes, the SVE memcpy can be used by any CPU that supports SVE. Having this > as a general rule is better than special casing every CPU. > > Cheers, > Wilco Maybe move this change to a different patch?